配位超分子化学是研究存在配位相互作用的超分子体系的化学,其中配位键对超分子体系的形成和功能具有重要作用。配位超分子材料,又称为金属-有机材料(metal-organic materials,MOMs),既包括具有特定外形、尺寸或空腔的分立、寡聚配合物(如配位多边形和多面体、螺旋体、轮烷、索烃等),也包含由数目不定的组分自发组装而成的无限/多聚配位聚集体(如配位聚合物、金属-有机框架和金属-有机凝胶)等。配位超分子化学的发展很大程度上依赖于配位超分子自组装方法的发展,而各种可设计、可预测、可调控的精准巧妙的配位自组装策略的涌现,不但将超分子化学推向前所未有的水平,同时也极大地丰富和提升了现代超分子化学合成方法与技术。本文主要介绍目前常见的一些配位超分子体系的制备与合成方法,特别是定向合成不同类型的配位超分子体系的组装策略与应用实例。
Supramolecular coordination chemistry is the domain of inorganic chemistry beyond the molecules, in which coordination interactions play important roles in self-assembly and properties of coordination supramolecular materials, also called metal-organic materials (MOMs). The MOMs are mainly divided into two different types: discrete or oligomeric coordination entities showing specific shapes, sizes or cavities (such as molecular polygons/polyhedra, helicates, rotaxanes, catenanes, etc. ), and infinite/polymeric coordination ensembles assembled from a variable number of components (such as coordination polymers, metal-organic frameworks, metal-organic gels, etc. ). With the burgeon of supramolecular coordination chemistry, various designable, predictable and tunable strategies of coordination-driven self-assembly have been developed, which propel the field of supramolecular coordination itself, as well as the modern supramolecular syntheses, toward an unprecendently high level. This review mainly introduces a number of common strategies for the preparation of MOMs, especially those for controllable assembly of MOMs with distinctive structural features.